7(x+6)=-21-2x

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Solution for 7(x+6)=-21-2x equation: 



7(x+6)=-21-2x

We move all terms to the left:

7(x+6)-(-21-2x)=0

We add all the numbers together, and all the variables

7(x+6)-(-2x-21)=0

We multiply parentheses

7x-(-2x-21)+42=0

We get rid of parentheses

7x+2x+21+42=0

We add all the numbers together, and all the variables

9x+63=0

We move all terms containing x to the left, all other terms to the right

9x=-63

x=-63/9

x=-7

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